SALAZAR, J. M.; RUIZ DEL PORTAL, F. R. Index 1 fixed points of orientation reversing planar homeomorphisms. Topological Methods in Nonlinear Analysis, [S. l.], v. 46, n. 1, p. 223–246, 2015. DOI: 10.12775/TMNA.2015.044. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2015.044. Acesso em: 20 apr. 2024.